var Utils = {
  getParam: function (key) {
    var _s = window.location.search;
    _s = _s.slice(1, _s.length);
    var _arr = _s.split('&');
    var _kv = {};
    _arr.map(function (item) {
      _kv[item.split('=')[0]] = item.split('=')[1] || '';
    })
    return _kv[key];
  }
}
window.Utils = Utils;